public class XingMing {
public static void main(String[] args) {
System.out.println("计算机1902 17 慕济帆");
}
}
public class Sum {
public static void main(String[] args) {
int a = 5;
int b = 8;
System.out.println(a*a + b*b);
System.out.println((a+b)*(a+b));
}
}
public class TuXing {
public static void main(String [] args) {
for(int a = 1;a<=3;a++){
for(int b = 1;b<=(3-a);b++){
System.out.print(" ");
}
for(int c = 1;c<=2*a-1;c++){
System.out.print("*");
}
System.out.print("\n");
}
for(int a =2;a>=1;a--) {
for(int b = 2;b>=a;b--){
System.out.print(" ");
}
for(int c = 1;c<=2*a-1;c++){
System.out.print("*");
}
System.out.print("\n");
}
}
}